Author
Survey of Federal Archives (U.S.) Pennsylvania
7
United States. Work Projects Administration. Division of Community Service Programs
7
Crawford-Oppenheimer, Christine
3
Historical Records Survey (U.S.) Pennsylvania
2
National Archives (U.S.)
2
National Genealogical Society Conference in the States
2
Bremer, Francis J.
1
Downey, Dennis B., 1952-
1
Genealogical Society of Pennsylvania
1
Historical Records Survey of Pennsylvania
1
United States. Work Projects Administration. Division of Professional and Service Projects
1
United States. Works Progress Administration. Division of Professional and Service Projects
1